<template>
      <div id="aCoursesList" class="bg-fa of">
        <!-- 讲师列表 开始 -->
        <section class="container">
          <header class="comm-title all-teacher-title">
            <h2 class="fl tac">
              <span class="c-333">全部讲师</span>
            </h2>
            <section class="c-tab-title">
              <a id="subjectAll" title="全部" href="#">全部</a>
              <!-- <c:forEach var="subject" items="${subjectList }">
                                <a id="${subject.subjectId}" title="${subject.subjectName }" href="javascript:void(0)" onclick="submitForm(${subject.subjectId})">${subject.subjectName }</a>
              </c:forEach>-->
            </section>
          </header>
          <section class="c-sort-box unBr">
            <div>
              <!-- /无数据提示 开始-->
              <section class="no-data-wrap" v-if="data.total==0">
                <em class="icon30 no-data-ico">&nbsp;</em>
                <span class="c-666 fsize14 ml10 vam">没有相关数据，小编正在努力整理中...</span>
              </section>
              <!-- /无数据提示 结束-->
              <article v-if="data.total>0"  class="i-teacher-list">
                <ul class="of">
                  <li v-for="teacher in data.items" :key="teacher.id">
                    <section class="i-teach-wrap">
                      <div class="i-teach-pic">
                        <!-- :让表达式生效，不加:就是作为字符串显示 -->
                        <a :href="'/teacher/'+teacher.id" :title="teacher.name" target="_blank">
                          <img :src="teacher.avatar" :alt="teacher.name">
                        </a>
                      </div>
                      <div class="mt10 hLh30 txtOf tac">
                        <a :href="'/teacher/'+teacher.id" :title="teacher.name" target="_blank" class="fsize18 c-666">{{ teacher.name }}</a>
                      </div>
                      <div class="hLh30 txtOf tac">
                        <span class="fsize14 c-999">{{ teacher.intro }}</span>
                      </div>
                      <div class="mt15 i-q-txt">
                        <p class="c-999 f-fA">{{ teacher.career }}</p>
                      </div>
                    </section>
                  </li>
                </ul>
                <div class="clear"></div>
              </article>
            </div>
           
            <!-- 公共分页 开始 -->
            <div>
              <div class="paging">
                <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
                <!-- @click.prevent 阻止标签默认行为 -->
                <a
                  :class="{undisable: !data.hasPrevious}"
                  href="#"
                  title="首页"
                  @click.prevent="gotoPage(1)">首页</a>

                <a
                  :class="{undisable: !data.hasPrevious}"
                  href="#"
                  title="前一页"
                  @click.prevent="gotoPage(data.current-1)">&lt;</a>

                <a
                  v-for="page in data.pages"
                  :key="page"
                  :class="{current: data.current == page, undisable: data.current == page}"
                  :title="'第'+page+'页'"
                  href="#"
                  @click.prevent="gotoPage(page)">{{ page }}</a>

                <a
                  :class="{undisable: !data.hasNext}"
                  href="#"
                  title="后一页"
                  @click.prevent="gotoPage(data.current+1)">&gt;</a>

                <a
                  :class="{undisable: !data.hasNext}"
                  href="#"
                  title="末页"
                  @click.prevent="gotoPage(data.pages)">末页</a>
                <div class="clear"/>
              </div>
            </div>
            <!-- 公共分页 结束 -->
          </section>
        </section>
        <!-- /讲师列表 结束 -->
      </div>
</template>

<script>
import teacherApi from '@/api/teacher'

export default {
  // data(){
  //   return{
  //     data:[]
  //   }
  // },
  //异步调用，调用一次
  //params:相当于之前 this.$route.params.id  等价  params.id
  asyncData({ params, error }) {
    return teacherApi.getTeacherList(1,8)//return 必须加且后面不要加回车
      .then(response => {
        // this.data = response.data.data
        return {data:response.data.data}
      })
  },
  methods: {
    //分页切换的方法
    //参数是页码数
    gotoPage(page){
      if(page>this.data.pages){
        page = this.data.pages
      }
      teacherApi.getTeacherList(page,8)
        .then(response => {
          this.data = response.data.data
        })
    }
  },
  
};
</script>
